OpenEMR up to 8.2.9 Message Saving Authorization save.php pid improper authorization

Summaryinfo

A vulnerability was found in OpenEMR up to 8.2.9. It has been rated as problematic. This issue affects some unknown processing of the file interface/main/messages/save.php of the component Message Saving Authorization. Performing a manipulation of the argument pid results in improper authorization. This vulnerability is known as CVE-2026-104136. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in OpenEMR up to 8.2.9. It has been classified as problematic. This affects an unknown function of the file interface/main/messages/save.php of the component Message Saving Authorization. The manipulation of the argument pid with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality. The summary by CVE is:

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to 8.3.0, the new_recall branch of interface/main/messages/save.php accepts a caller-supplied pid without enforcing patient-level or recall-workflow authorization. A low-privilege authenticated user who knows or enumerates a patient identifier can retrieve patient details, contact fields, HIPAA notification preferences, recent appointment information, and existing recall information. This issue is fixed in version 8.3.0.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-104136 since 10/01/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

By approaching the search of inurl:interface/main/messages/save.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 8.3.0 eliminates this vulnerability.

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Productinfo

Type

• Business Process Management Software

Name

• OpenEMR

Version

• 8.2.0
• 8.2.1
• 8.2.2
• 8.2.3
• 8.2.4
• 8.2.5
• 8.2.6
• 8.2.7
• 8.2.8
• 8.2.9

License

• open-source

Website

• Product: https://github.com/openemr/openemr/

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